Mitt Romney might be having a hard time sealing the deal with Republican presidential primary voters. But when it comes to donors, it’s a different story. There are more than a few places that love Mitt.

Here’s a guide to the former Massachusetts governor’s money map, a listing of his top ZIP codes for contributions through the end of January.

Palm Beach, Fla.

Memo to 2016 finance chairs: Get Stephen Ross’s number.

The Miami Dolphins owner threw a fundraiser for Romney on Jan. 12 that propelled the 33480 ZIP — Palm Beach — to the No. 1 ranking on Romney’s list of lucrative locales.

The event, which local press described as possibly setting ‘a record as the largest political fundraiser ever held in the state,’ raised an estimated $1.8 million — not all of it from 33480 — from the 750 donors who attended.

Palm Beach mattered last time but not like this. The ZIP delivered Romney some $350,000 through Jan. 31, 2008. This cycle, the figure was closer to $600,000, powered by the retired financial executives and business owners who populate a county with more households with 65 and older residents and with household income over $100,000 than anywhere else in Florida.

Manhattan

When you remove Palm Beach and Greenwich, Conn., from the list of Romney’s Top 10 ZIPs, what’s left is a tour of Manhattan neighborhoods.

Mostly, it’s the Upper East Side, starting at the Metropolitan Museum of Art and heading down Lexington Avenue. ZIP code 10021? This Upper East Side and Lenox Hill ZIP was good for about $570,000. ZIP 10022? Another $420,000 from Midtown. ZIP 10065? Almost $430,000 came from the ZIP that covers 60th to 69th streets, from Fifth Avenue to the East River.

Manhattan wasn’t always so good to Romney. Four years ago, only 10021 cracked Romney’s Top 10 through January. No other New York ZIP showed up in his Top 30.

What changed?

Partly, it’s the nature of the candidate field. Former New York Mayor Rudy Giuliani ran in 2008, and through the end of January, he vacuumed $4.9 million from the roughly 40 ZIPs that begin with 100. This year, Romney’s presidential rivals — none of them New Yorkers — had Houston, Atlanta and coastal Florida wired rather than the Big Apple.

Greenwich, Conn.

The tail end of Connecticut — notably Greenwich, New Canaan and Darien — is checkered with country clubs and the wooded preserves of hedge fund barons.

It’s also Romney country.

Four ZIPs here, including two in Greenwich, each delivered about a quarter million or more to the former Massachusetts governor through January. Total every southwest Connecticut code that starts with 068, and the sum runs over $2 million.

The area has served as something of a launch pad for Romney 2012: It delivered more than $750,000 in the opening weeks of Romney’s second bid.

Note to finance chairs: This is no place to raise money in the third quarter. Romney landed dramatically less cash from the 068 area during the period from July to September in both of his presidential runs.

Boston

Home to the Romney campaign headquarters, this city mattered more four years ago. Then, the Bay State’s governor had no national brand, and he mined greater Boston — defined here as ZIPs starting with 021 and 024 — for $2.3 million through January 2008.

The Hub is still important to Romney, but this year, receipts from the region run to $1.9 million. That said, the Christmas season was good to the former governor — he collected about $170,000 from the area in the last two weeks in December, roughly triple his take in the same window four years back.

The neighbors, though, could use prodding: Giving from Belmont, where Romney lives, has fallen about 40 percent this cycle.

Utah

Sometimes what matters is what’s missing. Four years ago, ZIP 84604 — Provo, home to Brigham Young University — topped Romney’s money list. And 84108, a Salt Lake City suburb, also cracked Romney’s Top 10. Indeed, of Romney’s Top 20 ZIPs through January 2008, Utah claimed five.

Things are different this time around.

Romney, through January, raised just under $2.6 million from Utah ZIPs that begin with 84 — that’s down from more than $6 million in 2008. Provo’s 84604 ZIP saw the largest decline: $300,000. Fundraising has fallen by about $190,000 in 84790, which is St. George, Utah, and Salt Lake City’s 84108. It’s off about $150,000 in 84004, which is Alpine, Utah, and Salt Lake City’s 84121.

Part of that can be traced to the failed candidacy of Jon Huntsman, the state’s former governor, who picked up about $360,000 from ZIPs that begin with 84.